:root {
  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

a {
  font-weight: 500;
  text-decoration: none;
}

body {
  margin: 0;
  /* display: flex;
  place-items: center; */
  overflow-x: hidden;
  min-width: 320px;
  min-height: 100vh;
  position: relative;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover {
  border-color: #646cff;
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

.colum-flex{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  flex-direction: column;
}

.row-flex{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}
/* .card {
  padding: 2em;
} */

#app {
  margin: 0 auto;
  padding: 0;
  /* text-align: left; */
}

*{
box-sizing: border-box;
}

.tips{
  position: fixed;
  z-index: 1000;
  bottom: 20px;
  left: 40px;
}

.tip{
  margin: 5px 0;
  font-weight: bold;
}

.color-w{
  color: #ffffff;
}

.red{
  color: #d30e0e;
}

.bold{
  font-weight: bold;
}

.my-tip{
  color: #03a9f4;
  font-weight: bold;
}

@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #ffffff;
  }
  a:hover {
    color: #747bff;
  }
  button {
    background-color: #eeeeee;
  }
}

@font-face {
  font-family: 'iconfont';
  src: url('./assets/iconfont/iconfont.woff2') format('woff2'),
       url('./assets/iconfont/iconfont.woff') format('woff'),
       url('./assets//iconfont//iconfont.ttf') format('truetype');
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}